Configure GitHub Packages publishing

- Update package name to @r-el/json-file-crud for GitHub Packages
- Add publishConfig for GitHub npm registry
- Create GitHub Action for automated publishing on release
- Enable workflow_dispatch for manual publishing

Author: r-el

.github/workflows/publish.yml

@@ -0,0 +1,36 @@
+name: Publish to GitHub Packages
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+          registry-url: 'https://npm.pkg.github.com'
+          
+      - name: Install dependencies
+        run: npm ci
+        
+      - name: Run tests
+        run: npm test
+        
+      - name: Run examples
+        run: npm run examples
+        
+      - name: Publish to GitHub Packages
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

package.json

@@ -1,10 +1,13 @@
 {
-  "name": "json-file-crud",
+  "name": "@r-el/json-file-crud",
   "version": "1.1.0",
   "title": "JsonFileCRUD",
   "description": "A simple, robust, and thread-safe CRUD library for managing JSON objects in files with unique fields, auto-ID, and advanced features",
   "main": "./lib/json-file-crud.js",
   "type": "module",
+  "publishConfig": {
+    "registry": "https://npm.pkg.github.com"
+  },
   "scripts": {
     "start": "node .",
     "test": "node test/test-basic.js && node test/test-read.js && node test/test-create.js && node test/test-update.js && node test/test-delete.js && node test/test-advanced-create.js && node test/test-config-options.js",